mconf/mintro: use authoritative list of options from coredata

This splits the directory options and non-directory options into two
dicts, and then merges them later to maintain API.

mesonbuild/coredata.py

@@ -1158,9 +1158,9 @@ class BuiltinOption(T.Generic[_T, _U]):
         cmdline_name = self.argparse_name_to_arg(prefix + name)
         parser.add_argument(cmdline_name, help=h + help_suffix, **kwargs)
 
+
 # Update `docs/markdown/Builtin-options.md` after changing the options below
-builtin_options = OrderedDict([
-    # Directories
+BUILTIN_DIR_OPTIONS = OrderedDict([
     ('prefix',          BuiltinOption(UserStringOption, 'Installation prefix', default_prefix())),
     ('bindir',          BuiltinOption(UserStringOption, 'Executable directory', 'bin')),
     ('datadir',         BuiltinOption(UserStringOption, 'Data file directory', 'share')),
@@ -1174,7 +1174,9 @@ builtin_options = OrderedDict([
     ('sbindir',         BuiltinOption(UserStringOption, 'System executable directory', 'sbin')),
     ('sharedstatedir',  BuiltinOption(UserStringOption, 'Architecture-independent data directory', 'com')),
     ('sysconfdir',      BuiltinOption(UserStringOption, 'Sysconf data directory', 'etc')),
-    # Core options
+])  # type: OptionDictType
+
+BUILTIN_CORE_OPTIONS = OrderedDict([
     ('auto_features',   BuiltinOption(UserFeatureOption, "Override value of all 'auto' features", 'auto')),
     ('backend',         BuiltinOption(UserComboOption, 'Backend to use', 'ninja', choices=backendlist)),
     ('buildtype',       BuiltinOption(UserComboOption, 'Build type to use', 'debug',
@@ -1194,7 +1196,9 @@ builtin_options = OrderedDict([
     ('werror',          BuiltinOption(UserBooleanOption, 'Treat warnings as errors', False, yielding=False)),
     ('wrap_mode',       BuiltinOption(UserComboOption, 'Wrap mode', 'default', choices=['default', 'nofallback', 'nodownload', 'forcefallback'])),
     ('force_fallback_for', BuiltinOption(UserArrayOption, 'Force fallback for those subprojects', [])),
-])
+])  # type: OptionDictType
+
+builtin_options = OrderedDict(chain(BUILTIN_DIR_OPTIONS.items(), BUILTIN_CORE_OPTIONS.items()))
 
 builtin_options_per_machine = OrderedDict([
     ('pkg_config_path', BuiltinOption(UserArrayOption, 'List of additional paths for pkg-config to search', [])),
@@ -1230,3 +1234,4 @@ forbidden_target_names = {'clean': None,
                           'dist': None,
                           'distcheck': None,
                           }
+

mesonbuild/mconf.py

@@ -184,19 +184,7 @@ class Conf:
         if not self.default_values_only:
             print('  Build dir ', self.build_dir)
 
-        dir_option_names = ['bindir',
-                            'datadir',
-                            'includedir',
-                            'infodir',
-                            'libdir',
-                            'libexecdir',
-                            'localedir',
-                            'localstatedir',
-                            'mandir',
-                            'prefix',
-                            'sbindir',
-                            'sharedstatedir',
-                            'sysconfdir']
+        dir_option_names = list(coredata.BUILTIN_DIR_OPTIONS)
         test_option_names = ['errorlogs',
                              'stdsplit']
         core_option_names = [k for k in self.coredata.builtins if k not in dir_option_names + test_option_names]

mesonbuild/mintro.py

@@ -200,19 +200,7 @@ def list_buildoptions_from_source(intr: IntrospectionInterpreter) -> T.List[T.Di
 def list_buildoptions(coredata: cdata.CoreData, subprojects: T.Optional[T.List[str]] = None) -> T.List[T.Dict[str, T.Union[str, bool, int, T.List[str]]]]:
     optlist = []  # type: T.List[T.Dict[str, T.Union[str, bool, int, T.List[str]]]]
 
-    dir_option_names = ['bindir',
-                        'datadir',
-                        'includedir',
-                        'infodir',
-                        'libdir',
-                        'libexecdir',
-                        'localedir',
-                        'localstatedir',
-                        'mandir',
-                        'prefix',
-                        'sbindir',
-                        'sharedstatedir',
-                        'sysconfdir']
+    dir_option_names = list(cdata.BUILTIN_DIR_OPTIONS)
     test_option_names = ['errorlogs',
                          'stdsplit']
     core_option_names = [k for k in coredata.builtins if k not in dir_option_names + test_option_names]